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Arraylist to Hashtable

Posted on 2006-06-01
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Last Modified: 2008-01-09
Hello,

I have an arraylist which is built based on a recordset.

                    public ArrayList userRoles=new ArrayList() ;
                    string sqlroles;
                    sqlroles = "Select zrole_id from z360core_user_role where zuser_id="+ UserId ;
                    userRoles = Db.RecordSet(sqlroles);

                    foreach (Hashtable Rl in userRoles)
                    {

                        Response.Write(Rl["zrole_id"]);

                    }
The output is exactly what I wanted. This means that the data is available in the arraylist and hashtable.

I have someother function, I have a value from the db

Convert.ToInt32(Db.ColumnValue("zrole_id"))

I need to check if this value is available in the userRoles arraylist.

If I try to use
if ((userRoles.IndexOf(Convert.ToInt32(Db.ColumnValue("zrole_id")))==-1))
            return false;  
its failing

How should I check if  Convert.ToInt32(Db.ColumnValue("zrole_id")) is there in the userRoles arraylist??

Pls help
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Question by:sureshraina
1 Comment
 
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Accepted Solution

by:
salan_alani earned 1500 total points
ID: 16807123
As per your sql select statement, the 'zrole_id' column is in number format (and almost an Int32 format). Therefore your ArrayList will be as the same format for thier objects.
Now I did not understand what is the ColumnValue will retrieve. But anyway, if you want to check if a specified value exist in the userRoles ArrayList, you could use the code below:

int x;
x= 5 // or whatever

if(userRoles.IndexOf(x)==-1)
    return false;


BTW, why you don't move towards the using of ADO.NET rather thatn the traditional ADO if you are using ASP.NET (aspx) application. It is more relaible, no need to add an ActiveX control, and many other features.


Good luck
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